Last updated: March 2, 2024
The weather in Jefferson, United States, during April is characterized by an average temperature of 11°C (52°F). Highs can soar to 25°C (77°F), while lows may dip to -4°C (25°F). Typically, the humidity level in Jefferson throughout April hovers around 84%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Jefferson averages 143 mm (5.6 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 13 hours 8 minutes of daylight, with the sun shining for approximately 8 hours 48 minutes each day. Additionally, there is a 53% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Jefferson reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 2 | 4 | 7 | 9 | 11 | 10 | 8 | 6 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||